[PATCH 10/12] tty: cpm_uart, use port->flags instead of low_latency

From: Jiri Slaby
Date: Tue Jan 05 2021 - 07:04:27 EST


This is the only in-kernel user of tty_port::low_latency. Switch this
last one to test uport->flags directly as tty_port::low_latency is going
away in the next patch.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/tty/serial/cpm_uart/cpm_uart_core.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
index 3b899cc7e362..58aaa533203b 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
@@ -499,8 +499,7 @@ static void cpm_uart_set_termios(struct uart_port *port,
pr_debug("CPM uart[%d]:set_termios\n", port->line);

baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk / 16);
- if (baud < HW_BUF_SPD_THRESHOLD ||
- (pinfo->port.state && pinfo->port.state->port.low_latency))
+ if (baud < HW_BUF_SPD_THRESHOLD || port->flags & UPF_LOW_LATENCY)
pinfo->rx_fifosize = 1;
else
pinfo->rx_fifosize = RX_BUF_SIZE;
--
2.30.0